<template>
	<view class="my-settle-container">
		<!--全选-->
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck"/><text>全选</text>
		</label>
		<!--合计-->
		<view class="amount-box">
			 合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!--结算按钮-->
		<view class="btn-settle" @click="settlement">结算{{checkedCount}}</view>
	</view>
</template>

<script>
	import {mapGetters,mapMutations,mapState} from 'vuex'
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时的秒数
				seconds:3,
				//定时器的 id
				timer:null
			};
		},
		computed:{
			//将 total 映射到当前组件中
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			
			//是否全选
			isFullCheck(){
				return this.total===this.checkedCount
			}
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState(){
				
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//用户点击了结算按钮
			 settlement(){
				 if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')
				 if(!this.addstr) return uni.$showMsg('请选择收货地址！')
				 if(!this.token) return this.delayNavigate()
				 
				 this.payOrder()
			 },
			 async payOrder(){
				 //1.创建订单
				 //1.1组织订单的信息对象
				 const orderInfo={
					 //order_price:this.checkedGoodsAmount,
					 order_price:0,
					 consignee_addr:this.addstr,
					 goods:this.cart.filter(x=>x.goods_state).map(x=>({
						 goods_id:x.goods_id,
						 goods_number:x.goods_count,
						 goods_price:x.goods_price
					 }))
				 }
				 
				 //1.2 发起请求创建订单
				 const {data:res}=await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				 if(res.meta.status!==200) return uni.$showMsg('创建订单失败！')
				 
				 //1.3得到服务器响应的订单编号
				 const orderNumber =res.message.order_number
			     console.log(orderNumber)
				 // 2.订单预支付
				 // 2.1 发起请求获取订单的支付信息
				 const {data:res2} =await uni.$https.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:oderNumber})
				 //2.2 预付订单生成失败
				 if(res2.meta.status!==200) return uni.$showError('预付订单生成失败！')
				 //2.3得到订单失败相关的必要参数
				 const payInfo=res2.message.pay
				 
				//3 发起微信支付
				//3.1调用uni.requestPayment()发起微信支付
				const [err,succ] =await uni.requestPayment(payInfo)
				//3.2未完成支付
				if(err) return uni.$showMsg('订单未支付！')
				//3.3完成了支付，进一步查询失败的结果
				const {data:res3} =await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
				//3.4检测到订单未支付
				if (res3.meta.status !==200) return uni.$showMsg('订单未支付！')
				//3.5检测到订单支付完成
				uni.showToast({
					title:'支付完成！',
				    icon:'success'
				})
			 },
			 //延时导航到 my 页面
			 delayNavigate(){
				 this.seconds=3
				 this.showTips(this.seconds)
				 
				 this.timer=setInterval(()=>{
					 this.seconds--
					 
					 if(this.seconds<=0){
						 clearInterval((this.timer))
						 
						 uni.switchTab({
						 	url:'/pages/my/my',
							success:()=>{
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						 })
						 return
					 }
					 this.showTips(this.seconds)
				 },1000)
			 },
			 //展示倒计时的提示消息
			 showTips(n){
				 uni.showToast({
				 	icon:'none',
					title:'请登录后再结算！'+n+'秒之后自动跳转到登录页',
					mask:true,
					duration:1500
				 })
			 }
			}
	}
</script>

<style lang="scss">
.my-settle-container{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-left: 5px;
	
	.radio{
		display: flex;
		align-items: center;
	}
	
	.amount-box{
		.amount{
			color: #C00000;
			font-weight: bold;
		}
	}
	.btn-settle {
		background-color: #C00000;
		height: 50px;
		color: white;
		line-height: 50px;
		padding: 0 10px;
		min-width: 100px;
		text-align: center;
	}
}
</style>